UN calls for investigation into Darfur mass grave

The UN has called for an investigation into the deaths of 87 people whose bodies were found in a mass grave in Sudan's Darfur region. Also, nearly half the world's oceans are currently experiencing a heat wave that could get worse before the end of the summer. And, as Spain accelerates its investment in solar and wind parks, a growing number of mayors and environmental nongovernmental organizations in the southern region of Andalusia worry that the natural landscape will be altered forever with olive groves, forests and high plains being plowed over. Plus, we revisit the heartwarming story of a woman looking out for another woman's son studying abroad in the UK.